Which of the following property defines the style for the right border of an element?

The correct answer is: C. border-right

The border-right property defines the style for the right border of an element. It can be used to set the width, color, and style of the border.

The border-left property defines the style for the left border of an element. The border-right-style property is not a valid CSS property. The border-style property defines the style for all four borders of an element.

Here is an example of how to use the border-right property:

css
div {
border-right: 1px solid black;
}

This code will create a 1px black border on the right side of all div elements.